<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
</head>
<body>
    
</body>
<script>
    //module.js
    let name = "tom";
    let age = 20;
    let phone ='138126661234'
    let introduce = function(){
        return  `My name is ${name}!I'm ${age}years old!`;
    };

    export{name,age,phone,introduce};
</script>
</html>